| Assist Prof Dr | Apostolos | Kalemos | Department of Chemistry, National and Kapodistrian University of Athens | Greece | Chemistry | Quantum Chemistry | Best Researcher Award | |
| Dr | Aqib | Zahoor | Tianjin University | China | Environmental Science | moderncities | Young Scientist Award | |
| Dr | Aqil | Tariq | Mississippi State University | United States | Environmental Science | Photogrammetry and Remote Sensing | Best Researcher Award | |
| Dr | Aradhna | Patel | Fev India Pvt ltd. | India | Engineering | Cyber physical security in smart grid | Young Scientist Award | |
| Mr | ARANYA | KAR | INDIAN INSTITUTE OF TECHNOLOGY MANDI | India | Chemistry | INORGANIC AND MATERIAL CHEMISTRY | Best Researcher Award | |
| Dr | Arash | Pakravesh | Bu-Ali Sina university | Iran | Chemistry | Thermodynamics | Best Researcher Award | View Profile |
| Dr | Arash | Javanmard | University of Malaya | Malaysia | Chemical Engineering | Continuous Torrefaction | Best Researcher Award | |
| Ms | Arathi | Rameshan | Johann Wolfgang Goethe-Universität Frankfurt am Main | Germany | Environmental Science | Climate Change in the Mountain regions | Young Scientist Award | View Profile |
| Mrs | Arathy | K | Centre for Materials for Electronics Technology | India | Physics and Astronomy | Thermal sensors | Best Scholar Award | |
| Dr | Archana | Goyal | Goswami Ganesh Dutta Sanatan Dharma College, Sector 32, Chandigarh | India | Computer Science | Natural Language Processing, Machine Learning, Deep Learning, Artificial Intelligence | Best Researcher Award | |
| Mrs | Archana A. Nawandhar Archana | Nawandhar | CMRIT | India | Engineering | Biomedical Image Processsing | Best Researcher Award | |
| Dr | Ardeti Venkata Anuhya | | Bharat Institute of Engineering and Technology | India | Engineering | Machine learning, Digital Electronics, IoT | Young Scientist Award | |
| Mr | Arinaitwe Andrew | Izaara | NARO-MUZARDI | Uganda | Agricultural and Biological Sciences | Aquaculture | Best Researcher Award | View Profile |
| Dr | Arindam | Garai | Sonarpur Mahavidyalaya | India | Decision Sciences | Supply Chain Management | Excellence in Research | |
| Mr | Arindam | Chowdhury | PhD Student, Department of Geography, North Eastern Hill University, India | India | Earth and Planetary Sciences | Climate Change and Himalayan Glaciology (Glacial Geomorphology) | Best Researcher Award | |
| Dr | Aristide | MUNVERA MFIFEN | The University of Yaounde I | Cameroon | Chemistry | Natural Product/Organic Synthesis/Pharmacognosy/Drug design | Best Researcher Award | |
| Mr | Armaan | Jamal | University of Chicago | United States | Medicine and Dentistry | Global Health Initiatives | Best Scholar Award | View Profile |
| Mr | Arman | Mohammadi | Shahid Bahonar University of Kerman | Iran | Environmental Science | Young Scientist - Photocatalyst | Young Scientist Award | |
| Dr | Arman | Kishan | Johns Hopkins University School of Medicine | United States | Medicine and Dentistry | Orthopaedic Surgery | Best Researcher Award | View Profile |
| Dr | Armando | Ruggeri | University of Messina | Italy | Computer Science | Blockchain and IT Security | Best Scholar Award | |